Long, cylindrical, scaleless, and usually gray-brown (.... electr prei

The tail region constitutes about four-fifths of the electric eel's total length, which is bordered along the underside by an undulating anal fin that is used to propel the fish. In one fish survey of a typical varzea, electric eels made up more than 70 percent of the fish biomass. The electric eel's penchant for shocking its prey may have evolved to protect its sensitive mouth from injury from struggling, often spiny, fish. Sometimes the electric eel does not bother to stun prey but simply gulps faster than the prey can react. style: "electric eel ( Electrophorus electricus ) ."fish links